<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>
  <script>
    let students = [
      {name: `小明`, age: 18, gender: `男`, hometown: `河北省`},
      {name: `小红`, age: 19, gender: `女`, hometown: `河南省`},
      {name: `小刚`, age: 17, gender: `男`, hometown: `山西省`},
      {name: `小丽`, age: 18, gender: `女`, hometown: `山东省`}
    ]
    for(let i = 0; i <= students.length; i++){
      console.log(students[i]);
      for(let k2 in students[i]){
        console.log(students[i][k2]);
      }
    }
  </script>
</body>
</html>